Removed the unused methods in BinaryInputStream

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/imaging/trunk@1545595 13f79535-47bb-0310-9956-ffa450edef68
Fixed a compilation error in the examples

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/imaging/trunk@1545597 13f79535-47bb-0310-9956-ffa450edef68